ftge544 replied to the topic Summarit-S 70 Calibration in the forum S Lenses 12 years, 10 months ago
I used the Kenko NDX Variable ND filter on our New England Fall Foliage workshop with excellent results. Check out this thread for a few images.
ftge544 replied to the topic Leica S2 + APO Telyt-R 400mm f/2.8 seen in the Frankfurt Zoo in the forum S Lenses 12 years, 10 months ago
Everyone who was on the New England Fall trip with David worked with ND and variable ND. They were so valuable, every one bought into David's system. I suspect he will be answering you too. But from a user perspective there was no vignetting issue with the 35 using screw in polarizing and ND filters. We also used David's “external” system for ND…[Read more]
